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The Toyota Sienna is a minivan manufactured and marketed by Toyota primarily for the North American market. It is named for the Italian city of Siena , in the region of Tuscany . It replaced the first generation Previa van in 1997 (for the 1998 model year) with a more conventional front-wheel drive layout and shares a heavily revised platform ...
The crankshaft drives the camshaft (via a timing belt, timing chain or gears), which in turn actuates the intake and exhaust valves. [1] These valves allow the engine to inhale air (or an air/fuel mixture) and exhale the exhaust gasses. [2] The most common devices to transfer the drive are toothed rubber belts, metal timing chains or a set of ...
Manual – the driver has to perform each gear change using a manually operated clutch; Automatic – once placed in drive (or any other 'automatic' selector position), it automatically selects the gear ratio dependent on engine speed and load; Basically there are two types of engine installation:
A timing belt, or toothed belt, is a flexible belt with teeth moulded onto its inner surface. Timing belt may also refer to: Timing belt (camshaft) , a perishable component used to synchronize the rotation of the crankshaft and the camshaft
The timing, duration and lift of these valve events has a significant impact on engine performance. Without variable valve timing (variable valve lift), the valve timing is the same for all engine speeds and conditions, therefore compromises are necessary to achieve the desired result in intake and exhaust efficiency . This has been described ...
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Burnt sienna contains a large proportion of anhydrous iron oxide. It is made by heating raw sienna, which dehydrates the iron oxide, changing it partially to hematite, giving it rich reddish-brown color. [2] The pigment is also known as red earth, red ochre, and terra rossa. On the Color Index International, the pigment is known as PR-102.
Sienna has a 160 acres (65 ha) sports complex, an 18-hole championship golf course, recreational centers, an equestrian center, and water parks. The Sienna sports complex is the home to a variety of youth club sports programs, including, the Sienna Panthers Lacrosse Club which has 240 youth lacrosse players ranging from 1st grade to High School.